boston.gov 70 B
🛡️ SEO 58 🤖 GEO 79 ⚡ Perf 65 🏗️ Arch 74

boston.gov — Global SEODiff Score 70/100

boston.gov
📊

boston.gov achieves a 70/100 on the AI-Crawler Reality Index, reflecting above-average readiness for AI-driven discovery. Within the government vertical, this places boston.gov above the industry average of 57 —, suggesting strong competitive positioning in AI search. Its server-rendered architecture ensures AI crawlers receive complete HTML on first request, a key advantage for extractability. Token bloat registers at 5.4× — acceptable, but reducing inline scripts and redundant markup could yield measurable gains. Minimal structured data (1 block) limits the site's ability to communicate entity relationships to AI systems. All major AI bot user-agents (GPTBot, ClaudeBot, CCBot, Google-Extended) are permitted by robots.txt, ensuring broad AI crawler access.

70
B — Global SEODiff Score
Comprehensive search visibility assessment
Strong foundations, but Traditional SEO (58) is your bottleneck.
🎯 Top Fix: Monitor weekly to catch regressions early
🔬 Automated SEODiff Assessment · Snapshot: Mar 21, 2026 · 📋 API
📈 ACRI Trend 5 snapshots
Mar 3 Mar 21
🔔 Recent AI Indexing Activity
🔄 Mar 21 Content change detected
🔄 Mar 19 Content change detected
🔄 Mar 13 Content change detected
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🧮 Score Transparency — How is this calculated?
🛡️ Traditional SEO (25% weight)58 × 0.25 = 14.5
🤖 AI Readiness / GEO (40% weight)79 × 0.40 = 31.6
⚡ Performance (20% weight)65 × 0.20 = 13.0
🏗️ Architecture & Trust (15% weight)74 × 0.15 = 11.1
Weighted sum = 14.5 + 31.6 + 13.0 + 11.1
Global SEODiff Score = 70 (B)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
100
Rendering
avg 93
40
Structure
avg 35
2
Schema
avg 9
70
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 3%
Rank #26195
+31 pts
Gap
AI (ACRI)
Top 33%
Score 70/100

boston.gov punches above its weight in AI — AI visibility exceeds Google ranking. This is a competitive moat worth protecting. ACRI measures technical crawler readiness. Read the methodology →

Why boston.gov ranks here

Tech stackDrupal
Industrygovernment
RenderingSSR
Schema coverage1 blocks
Token bloat5.4×

Fastest improvements

  • Reduce token bloat (navigation/footer/code) so agents reach your main content faster (see Token Bloat).
  • Create an llms.txt file so AI crawlers can discover your content structure without heavy crawling. Generate llms.txt →
  • Run a full entropy audit to find which DOM regions waste the most tokens. Run Entropy Audit →
🧪

JavaScript Rendering Check

We check what AI crawlers miss when they skip JavaScript execution.

Running headless browser to simulate AI extraction…
🛡️

Traditional SEO

58/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

21 chars
Too short

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

56 chars
Too short

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✓ Exactly 1 <h1> tag — found 1
  • ✓ Has <h2> headings — found 9
  • ✓ <h2> not before <h1>

🔍 Indexability

  • ✓ Canonical tag present → https://www.boston.gov/homepage-bostongov
  • ✓ No noindex directive
  • ✓ Meta viewport set
  • ✓ HTML lang attribute → en
  • ✅ Hreflang tags
  • ✓ Googlebot allowed by robots.txt

🌐 Social / OpenGraph

  • ✓ og:title — Homepage | Boston.gov
  • ✓ og:description — Welcome to the official homepage for the City of Boston.
  • ✓ og:image — preview
  • ✓ twitter:card — summary
📐 How the SEO Pillar score is calculated

SEO Pillar = Title (20 pts) + Meta Desc (20 pts) + Heading Hierarchy (20 pts) + Indexability (20 pts) + Social/OG (20 pts)

Each sub-score is derived from the checks above. Canonical tag, lang attribute, og:image, and a single H1 are the highest-impact items.

🤖

AI Readiness / GEO

79/100 40 % of Global Score 🟢 High Confidence

This pillar aggregates citation share, hallucination risk, bot access, schema health, and content extractability. The individual diagnostic sections below contribute to this score.

🔗

Citation Alternatives

Research
💡
Insight: In the government sector, gep.com (ACRI: 83) currently has stronger AI extractability. AI models tend to prefer sources with higher semantic structure and schema coverage. Domains with ACRI < 40 see 3.5× more hallucinations. Read the research →
boston.gov
55
Your ACRI Score
83
Industry Peer ACRI
AI models prioritize pages with strong semantic structure and schema coverage. gep.com has schema coverage of 3 blocks and uses Drupal. Improve your score by implementing the remediation patches below.
📊 Side-by-Side Comparison →
🚨

Hallucination Risk

Research

Is AI lying about your brand? This panel measures how likely LLMs are to hallucinate facts when extracting information from your page.

Analyzing hallucination risk…

🤖 Bot Access Matrix

GPTBot (OpenAI)
Allowed
ClaudeBot (Anthropic)
Allowed
CCBot (Common Crawl)
Allowed
Google-Extended
Allowed
Googlebot
Allowed

👻 Rendering (Ghost Ratio) Docs

Ghost Ratio 0%
0% — Safe 50% 100% — Risk
Status Server-Side Rendered (Safe)
Rendering Type SSR

📊 Structure & Information Density Docs

Structure Grade 40/100 — Fair
Structured Elements 43 elements (43 lists, 0 rows, 0 headers)
Total Words879
Raw Density4.9%

🏷️ Schema Health Docs

Organization Schema ❌ Missing
Product / Service Schema ⚠️ Not Found
Total Schema Blocks1 block(s) — Basic (low value for AI)

Schema Coverage Map

1/7 schema types detected
❌ Organization
❌ Product/Service
❌ Breadcrumb
❌ FAQ
❌ Article
✅ WebSite
💡Organization schema missing. AI models cannot identify your brand entity. Without it, your brand won't appear in Knowledge Panels or be associated with your content.
💡Product / Service schema missing. AI models don't know this is a SaaS product. Add Product or SoftwareApplication schema so AI understands what you offer and can surface pricing/features.
💡BreadcrumbList schema missing. AI cannot understand your site hierarchy or how pages relate to each other.
💡FAQ schema missing. Adding FAQPage schema lets AI models directly extract Q&A pairs for Featured Snippets and chatbot answers.

📐 AI Efficiency Metrics Docs

56
AI Extractability
Low
Crawl Cost
None
Blocklist Risk
Extractability56/100 — AI models can partially extract answers from this page
Crawl CostLow (30/100) — efficient for AI crawlers to process
Blocklist RiskNone — 0 of 5 AI crawlers blocked

Token Bloat Research

18%
🗑️ 82%
Useful Content (24.3 KB)Bloat (106.4 KB)
Token Bloat Ratio5.4× — Normal

Multimodal Readiness

Visual Context64% Optimized for Vision
Image Alt Coverage21 / 33 images have alt text

TDM Rights

TDM-Reservation HeaderNot set
X-Robots-Tag: noaiNot set

🔥 Structural Entropy Check Research

0 Entropy
Poor Token Bloat: High
Noise Ratio: 81.4% · SNR: 0.23 · Signal: 6226 / Noise: 27226 tokens

🔬 AI-Crawler Simulation

See your website the way AI crawlers do. CSS stripped, structure labeled, content chunked.

🌐
This is what humans see — styled, branded, visual.
Toggle to "AI Agent View" to see what GPTBot, ClaudeBot, and other AI crawlers actually extract from this page.
🤖

AI Answer Preview

NEW

See how AI models summarize your site. Left: your actual content. Right: what the LLM extracts and says about you.

Simulating AI extraction…
🧠

The LLM Interpretation

AI-VERIFIED

SEODiff AI analyzed the extracted content of boston.gov and produced this structured business intelligence. Fields marked SEMANTIC VOID indicate information the AI could not find — a critical gap in your site’s machine-readability.

Core Offering
This website provides information about snow emergency parking regulations and available parking options in Boston, including a map of restricted
Target Audience
Boston residents, visitors to Boston, drivers seeking parking information during snow emergencies
Pricing Model
Discounted parking rates available for Boston residents with resident parking permits or proof of residency at participating garages and lots. Standard parking rates apply otherwise.
🔗 Integration Partners
Bay Village Parking Permit System
🏆 Competitive Moat
Comprehensive snow emergency parking information and a network of discounted parking options, combined with a user-friendly map and clear instructions.
📊 Content Depth
7/10
🔄 Programmatic SEO Signals
Map of restricted street parking and parking lotsList of restricted streetsGarage fee and information pages
⚡ Key Pain Points
• Complex parking regulations during snow emergencies
• Difficulty finding available parking
• Lack of clarity on resident parking discounts
Analyzed by SEODiff AI · 2026-03-01

🔧 Tech Stack

FrameworkDrupal
AI-Readiness Score70/100
Servernginx
CDN
HTTP Status200
Load Time571 ms
Raw HTML Size130.7 KB
Visible Text Size24.3 KB

Performance & Speed

65/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

571 ms
Acceptable — room for improvement

Google considers <200 ms "good". AI crawlers may have even shorter timeouts.

📦 Page Weight

1012
DOM nodes
131 KB
HTML payload
Moderate weight — acceptable for most scenarios

🗄️ Cache & CDN

  • ✓ Cache-Control header → max-age=300, public
  • ✗ CDN cache status
  • ✗ CDN detected

🔬 Tracker Tax

0
tracker scripts
0
third-party domains
0.0%
token overhead
Minimal tracker load — clean signal for bots
📐 How the Performance Pillar score is calculated

Perf Pillar = TTFB (35 pts) + Page Weight (25 pts) + Cache/CDN (20 pts) + Tracker Tax (20 pts)

TTFB <200 ms = full marks. DOM >3000 or payload >300 KB incurs heavy penalties. Tracker scripts beyond 5 reduce score.

🏗️

Architecture & Trust

74/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

  • ✗ Sitemap declared in robots.txt
  • ✓ Googlebot allowed
  • ✓ GPTBot allowed
  • ✓ ClaudeBot allowed

🔗 Linking

94
internal links
9
external links
Good internal linking — helps crawlers discover content

🔒 Security & Trust

  • ✓ HSTS header (Strict-Transport-Security)
  • ✗ Content-Security-Policy header
  • ✓ HTTP status 200 OK (got 200)

♿ Accessibility Signals

  • ✓ HTML lang attribute → en
  • ✓ Meta viewport for mobile
  • ✓ Single H1 for screen readers
📐 How the Architecture Pillar score is calculated

Arch Pillar = Sitemap & Robots (30 pts) + Linking (25 pts) + Security (25 pts) + Accessibility (20 pts)

Having a valid sitemap, allowing AI bots, HSTS, and a good internal link count are the highest-impact items.

🏅 AI-Verified Trust Badge

Your site scores 55/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for boston.gov
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/boston.gov" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=boston.gov" alt="AI-Verified by SEODiff" width="280" height="52"></a>

💡 Paste in your site footer, GitHub README, or email signature. Badge updates automatically as your score changes.

� Deep Crawl Analysis 109 pages · Deep-10

Homepage ACRI
55
Single-page score
+8
Consistent readability
Δ delta
Site-Wide ACRI
63
Avg across 109 pages · Range 0–90
Topical Cohesion
10%
Topical Drift
TF-IDF cosine similarity
Total Words
80377
Avg Bloat
22.1×
RAG Fractures [?]
2
⚠️
2 RAG-Chunking Fractures Detected

Poorly formatted tables or pricing grids on 2 pages will be split incorrectly during RAG chunking, causing AI models to hallucinate prices and features.

Page Type ACRI Token Bloat Words Status
https://boston.gov/departments/311/snow-emergency-parking
Snow Emergency Parking | Boston.gov
pricing 90 9.7× 5294 💰 Pricing
https://boston.gov/departments/311/cold-weather-safety-tips
Cold Weather Safety Tips | Boston.gov
pricing 90 7.5× 3085 💰 Pricing
https://boston.gov/departments/new-urban-mechanics/performance-parking-pilot
Performance Parking pilot | Boston.gov
pricing 85 8.3× 3589 ⚠️ RAG Fracture
https://boston.gov/news/state-city-2020
State of the City 2020 | Boston.gov
pricing 85 6.8× 3104 💰 Pricing
https://boston.gov/news/unprecedented-investment-be-made-affordable-housing-boston
Unprecedented investment to be made in affordable housing in Boston | Boston.gov
pricing 85 9.0× 1472 💰 Pricing
https://boston.gov/contact
Contact Boston City Hall | Boston.gov
pricing 80 12.2× 1482 💰 Pricing
https://boston.gov/departments/archaeology/seaport-shipwreck
Seaport Shipwreck | Boston.gov
pricing 80 10.1× 1706 💰 Pricing
https://boston.gov/departments/transportation/25-boston
25 in Boston | Boston.gov
pricing 80 13.4× 1268 💰 Pricing
https://boston.gov/departments/inspectional-services/how-we-grade-restaurants-and-food-trucks
How we grade restaurants and food trucks | Boston.gov
product 77 19.3× 758
https://boston.gov/departments/boston-bikes/bike-rack-program
Bike Rack program | Boston.gov
other 77 17.5× 1029
https://boston.gov/departments/transportation/nubian-square-design-project
Nubian Square Design Project | Boston.gov
pricing 77 18.7× 900 💰 Pricing
https://boston.gov/departments/fire-prevention/fire-safety-tips-your-home
Fire safety tips for your home | Boston.gov
other 77 19.8× 831
https://boston.gov/news/fair-housing-landlord-award-2017
Fair Housing and Equity | Boston.gov
other 77 17.5× 1296
https://boston.gov/news/discount-tickets-13th-annual-mayors-holiday-special-available
Discount tickets for the 13th Annual Mayor’s Holiday Special available | Boston.gov
other 75 11.5× 1031
https://boston.gov/news/two-reappointments-announced-boston-school-committee
Two reappointments announced for Boston School Committee | Boston.gov
other 75 12.9× 923
https://boston.gov/news/come-join-digital-team-2020-summer-fellow
Come join the Digital Team as a 2020 summer fellow | Boston.gov
pricing 75 14.7× 878 💰 Pricing
https://boston.gov/news/new-ordinance-supports-marijuana-industry-equity-accountability-and-transparency
New ordinance supports marijuana industry equity, accountability, and transparency | Boston.gov
pricing 75 13.3× 893 💰 Pricing
https://boston.gov/departments/new-urban-mechanics/summer-fellowship
New Urban Mechanics Summer Fellowship | Boston.gov
pricing 75 13.0× 1451 💰 Pricing
https://boston.gov/news/city-launches-housing-innovation-competition-compact-living-units
City launches housing innovation competition for compact living units | Boston.gov
other 75 16.5× 697
https://boston.gov/news/boston-fire-department-invests-new-safety-equipment
Boston Fire Department invests in new safety equipment | Boston.gov
other 75 15.7× 730
Showing 20 of 100 pages. Unlock full subpage table →
📂
Health by Sub-Directory
Average ACRI and top issues aggregated by URL path prefix
Path Pages Avg ACRI Ghost % Bloat Top Issue
/news/ 54 68 0% 23.2× High JS Bloat
/departments/ 44 70 0% 25.4× High JS Bloat
/faq/ 1 0 0% 0.0× Low AI Readiness
/government/ 1 64 0% 30.1× High JS Bloat
/pricing/ 1 0 0% 0.0× Low AI Readiness
/integrations/ 1 0 0% 0.0× Low AI Readiness
/products/ 1 0 0% 0.0× Low AI Readiness
/blog/ 1 0 0% 0.0× Low AI Readiness
/contact/ 1 80 0% 12.2× High JS Bloat
/about/ 1 0 0% 0.0× Low AI Readiness
/case-studies/ 1 0 0% 0.0× Low AI Readiness
/docs/ 1 0 0% 0.0× Low AI Readiness
/features/ 1 0 0% 0.0× Low AI Readiness
🔗
Outbound External Citations
0 unique external domains cited across 109 pages
docs.google.com ×100
newsletters.boston.gov ×100
cityofboston.gov ×100
bostonma.govqa.us ×100
bpl.org ×100
bostonpublicschools.org ×100
twitter.com ×7
mbta.com ×7
🔄 Re-Crawl & Update 📡 Track this Domain

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🔌 API Access

Pull this data programmatically. All sub-page metrics are available via our public API.

curl https://seodiff.io/api/v1/deep10/domain/boston.gov

Get your free API key — 100 requests/month included.

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saskatoon.ca 78 81 Drupal 1.5× 0 Compare →
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📊 Semantic Share of Voice

How often would an AI cite boston.gov when users ask about topics in this domain's niche? We run entity queries through our 188k-page search index and measure citation probability.

Analyzing citation landscape…

🩹

Remediation Patches

COPY-PASTE

Auto-generated code fixes tailored to boston.gov. Copy and paste these into your codebase to improve AI visibility. These patches are mathematically proven to increase extraction accuracy →

Add Organization JSON-LD
High Impact ⏱ 5 min
AI models cannot identify your brand entity without Organization schema. This is the #1 fix for AI visibility.
html
<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "Organization",
  "name": "Boston",
  "url": "https://boston.gov",
  "logo": "https://boston.gov/themes/custom/bos_theme/images/apple-touch-icon.png",
  "sameAs": []
}
</script>
Add FAQ Schema
Medium Impact ⏱ 10 min
FAQ schema lets AI models directly extract Q&A pairs. This is the easiest way to get featured in AI responses.
html
<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "FAQPage",
  "mainEntity": [
    {
      "@type": "Question",
      "name": "What is Boston?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Add your answer here — describe what Boston does in 1-2 sentences."
      }
    },
    {
      "@type": "Question",
      "name": "How does Boston work?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Explain the key features and how users interact with Boston."
      }
    }
  ]
}
</script>
📈

Projected Impact

ROI EST.

If you apply the patches above, here's the estimated improvement for boston.gov:

Current Score
70
Projected Score
82
Improvement
+12 pts
Add Organization schema +6 pts
Reduce token bloat +3 pts
Add FAQ schema +3 pts

*Estimates based on SEODiff's scoring model. Actual results depend on implementation quality.

📋 Data Export

Download scores and metadata for audits, client reports, or CI/CD pipelines. Exports contain computed metrics only (no copyrighted content).

All data is generated automatically and updated with each crawl. JSON exports contain scores and metadata only (no copyrighted content).

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🧭 Self-Diffing (Private Layer)

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Template Drift
Track in My Site
Drift → Traffic Impact
In development coming soon
Regression Incidents
Track in My Site
Internal Linking
Deep Audit graph
Semantic Structure
GEO view in Deep Audit
Content Quality
Thin/duplicate tracking

🕒 History

Score over timeAvailable in My Site history
Drift eventsTemplate timeline + incidents
Drift → Revenue AttributionComing soon
Schema/rendering/extractability changesTracked per scan in project history
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